A great story about Steve Jobs' wandering-in-the-wilderness years:

The ensuing tale, the saga of the modern Apple, is simply the story of the man who emerged from that 11-year business school and implemented the lessons he had learned along the way. As was true when he started at Pixar and NeXT, Jobs had many of the details wrong when he first returned to the Apple helm. He imagined that the company's business would always be selling computers. He thought that what was then called the "information highway" would be primarily of interest to businesses. He dismissed the idea that computer networks would carry lots of video...

The story of Jobs' 11-year business school is fascinating.

What strikes me is how much he was able to learn and adapt as he learned.